linux-kernel - Re: [PATCH 2.6.16.29 1/1] memory: enhance Linux swap subsystem

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Message-ID: <67029b170612292150q7f59390cp83f35698ac7f7bd7@mail.gmail.com>
Date:	Sat, 30 Dec 2006 13:50:21 +0800
From:	"Zhou Yingchao" <yingchao.zhou@...il.com>
To:	"yunfeng zhang" <zyf.zeroos@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.16.29 1/1] memory: enhance Linux swap subsystem

2006/12/27, yunfeng zhang <zyf.zeroos@...il.com>:
> To multiple address space, multiple memory inode architecture, we can introduce
> a new core object -- section which has several features
Do you mean "in-memory inode"  or "memory node(pglist_data)" by "memory inode" ?
> The idea issued by me is whether swap subsystem should be deployed on layer 2 or
> layer 3 which is described in Documentation/vm_pps.txt of my patch. To multiple
> memory inode architecture, the special memory model should be encapsulated on
> layer 3 (architecture-dependent), I think.
I guess that you are  wanting to do something to remove arch-dependent
code in swap subsystem.  Just like the pud introduced in the
page-table related codes. Is it right?
However, you should verify that your changes will not deteriorate
system performance. Also, you need to maintain it for a long time with
the evolution of mainline kernel before it is accepted.

Best regards
-- 
Yingchao Zhou
***********************************************
 Institute Of Computing Technology
 Chinese Academy of Sciences
***********************************************
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